Jan 15, 2013 5:00pm PST
a lance armstrong without doping? one state moves with lightning speed on gun control as president obama prepares his own plan. reports from chip reid and major garrett. today's report on climate tells us how the world is changing. bill whitaker reports from california. liz palmer from london. and a school takes drastic action to save its students from obesity. seth doane with the kids and the cure. >> when i was nine, it just kind of hit me smack in the face, "oh, i'm going to die." captioning sponsored by cbs this is the "cbs evening news" with scott pelley. >> pelley: good evening.